<%--
  Created by IntelliJ IDEA.
  User: IFT8
  Date: 2015/2/21
  Time: 19:19
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<!- request缓冲区结束才写该页面？ ->
<%
    request.getRequestDispatcher("head.jsp").include(request,response);
%>
这是主体
<%
    request.getRequestDispatcher("foot.jsp").include(request,response);
%>